Исходники и презентации

lessons/functions/decorator/main.go

@@ -0,0 +1,28 @@
+package main
+
+import "fmt"
+
+func Add(x, y int) int {
+	return x + y
+}
+
+func Mul(x, y int) int {
+	return x * y
+}
+
+func Calculate(x, y int, fn func(int, int) int) int {
+	fmt.Printf("x=%d y=%d\n", x, y)
+	return fn(x, y)
+}
+
+func CalculateAdd(x, y int) int {
+	fmt.Printf("x=%d y=%d\n", x, y)
+	return Add(x, y)
+}
+
+func main() {
+	Calculate(10, 10, Add)
+	Calculate(10, 10, Mul)
+
+	CalculateAdd(10, 10)
+}